Suction device



FIG. 1 is a perspective view of a suction device showing our new design; and,

FIG. 2 is a top plan view thereof.

The dashed broken lines are for purposes of illustrating portions of the suction device and form no part of the claimed design. Views of the suction device not shown in the figures form no part of the claimed design. 

CLAIM The ornamental design for a suction device, as shown and described. 